54728768 has 28 divisors (see below), whose sum is σ = 111256572. Its totient is φ = 26695680.

The previous prime is 54728761. The next prime is 54728777. The reversal of 54728768 is 86782745.

It can be written as a sum of positive squares in 2 ways, for example, as 29246464 + 25482304 = 5408^2 + 5048^2 .

It is not an unprimeable number, because it can be changed into a prime (54728761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7805 + ... + 13052.

It is an arithmetic number, because the mean of its divisors is an integer number (3973449).

Almost surely, 2^54728768 is an apocalyptic number.

It is an amenable number.

54728768 is an abundant number, since it is smaller than the sum of its proper divisors (56527804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54728768 is a wasteful number, since it uses less digits than its factorization.

54728768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20910 (or 20900 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 54728768 is about 7397.8894287493. The cubic root of 54728768 is about 379.6690747764.

The spelling of 54728768 in words is "fifty-four million, seven hundred twenty-eight thousand, seven hundred sixty-eight".